CN215292518U - Adjustable positioning device for secondary lining reinforcing steel bar protection layer of large-section tunnel - Google Patents

Adjustable positioning device for secondary lining reinforcing steel bar protection layer of large-section tunnel Download PDF

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Publication number
CN215292518U
CN215292518U CN202121341741.8U CN202121341741U CN215292518U CN 215292518 U CN215292518 U CN 215292518U CN 202121341741 U CN202121341741 U CN 202121341741U CN 215292518 U CN215292518 U CN 215292518U
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CN
China
Prior art keywords
fixing
bottom plate
rod
plate
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202121341741.8U
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Chinese (zh)
Inventor
赵兴华
陈建光
李倍安
陈华智
苟伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CCCC First Highway Engineering Co Ltd
Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Original Assignee
CCCC First Highway Engineering Co Ltd
Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CCCC First Highway Engineering Co Ltd, Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd filed Critical CCCC First Highway Engineering Co Ltd
Priority to CN202121341741.8U priority Critical patent/CN215292518U/en
Application granted granted Critical
Publication of CN215292518U publication Critical patent/CN215292518U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a big section tunnel secondary lining steel bar protection layer positioner with adjustable, positioner includes the bottom plate, the bottom plate sets firmly the first supporting shoe of symmetric distribution, the bottom plate sets firmly the second supporting shoe of symmetric distribution, one side fastening of bottom plate is equipped with the lower margin of array distribution, the bottom plate sets firmly the mounting, one side of bottom plate is equipped with the mounting hole of array distribution, be equipped with the jack of array distribution on the bottom plate, jack and mounting hole intercommunication, the bottom plate sets firmly the dead lever, be equipped with the through-hole on the dead lever, one side of dead lever is equipped with the through hole of array distribution. The utility model discloses positioner adjusts the lower margin bottom plate that stabilizes, is fit for different operating position, and first supporting shoe and the fixed lower margin of second supporting shoe and mounting make device work remain stable, and the regulating block makes things convenient for the thickness of location protective layer, ensures the standard nature of construction, increases tunnel security, and the regulating block is adjusted conveniently, and the guard plate improves protection baffle, easy operation, convenient to use.

Description

Adjustable positioning device for secondary lining reinforcing steel bar protection layer of large-section tunnel
Technical Field
The utility model relates to a positioner specifically is a big section tunnel secondary lining protective steel bar layer positioner with adjustable.
Background
The secondary lining of the tunnel is an important ring in a tunnel supporting system, particularly in weak surrounding rock sections, fault fracture zone sections and the like, reinforcing steel bars must be arranged in the secondary lining for reinforcement to serve as a second protective barrier for tunnel construction, and the secondary lining reinforcing steel bars and a secondary lining concrete support together bear the load of surrounding rock deformation. Under the relatively poor condition of surrounding rock, it is very necessary to dispose the reinforcing bar in secondary lining, because when carrying out reinforcement, workman's ligature randomness is strong, hardly keeps on same circle curved plane between the reinforcing bar, leads to secondary lining reinforcing bar protective layer thickness to be not conform to the design specification requirement, construction cycle length, the expense is high, the rework processing degree of difficulty is big scheduling problem, more serious probably leads to the tunnel security to reduce.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a big section tunnel secondary lining steel reinforcement protective layer positioner with adjustable, adjust the firm bottom plate of lower margin, be fit for different operating position, first supporting shoe and the fixed lower margin of second supporting shoe and mounting make device work remain stable, the thickness of protective layer is conveniently fixed a position to the regulating block, ensure the standard nature of construction, increase tunnel safety, the regulating block is adjusted conveniently, the guard plate improves guard flap, easy operation, high durability and convenient use saves workman operating time, improves work efficiency.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a big section tunnel secondary lining protective layer positioner with adjustable, positioner includes the bottom plate, and the bottom plate sets firmly the first supporting shoe of symmetric distribution, and the bottom plate sets firmly the second supporting shoe of symmetric distribution, and one side fastening of bottom plate is equipped with the lower margin that the array distributes, and the bottom plate sets firmly the mounting that is used for adjusting the protective layer height.
The mounting structure is characterized in that mounting holes distributed in an array mode are formed in one side of the base plate, jacks distributed in an array mode are formed in the base plate, the jacks are communicated with the mounting holes, a fixing rod is fixedly arranged on the base plate, through holes are formed in the fixing rod, and through holes distributed in an array mode are formed in one side of the fixing rod.
One side of first supporting block is equipped with first arc wall, and one side of first supporting block is equipped with the first inclined plane of symmetric distribution, and one side of first supporting block is equipped with first mating holes, and one side of first supporting block is fixed and is equipped with first inserted bar.
Furthermore, the first arc-shaped groove is matched with the fixing rod.
Furthermore, one side of the second supporting block is provided with a second arc-shaped groove, a first threaded hole penetrating through the second supporting block is formed in the second arc-shaped groove, one side of the second supporting block is provided with a second inclined plane which is symmetrically distributed, one side of the second supporting block is tightly provided with a vertical plate which is symmetrically distributed, one side of the vertical plate is provided with a second threaded hole, and one side of the second supporting block is fixedly provided with a second inserting rod.
The second arc-shaped groove is matched with the fixed rod, the first inclined plane is matched with the second inclined plane, and the bolt penetrates through the first matching hole to be matched with the second threaded hole.
Further, the lower margin includes first fixed plate, and one side of first fixed plate is fixed and is equipped with the second fixed plate, and one side fastening of first fixed plate is equipped with the third fixed plate, first fixed plate, second fixed plate and third fixed plate mutually perpendicular, and first fixed plate and second fixed plate junction are equipped with the guide arm, are equipped with the fixed orifices of array distribution on the guide arm.
The first inserted bar penetrates through the jack to be matched with the fixing hole, and the second inserted bar penetrates through the jack to be matched with the fixing hole.
Further, the fixing part comprises a moving rod, a limiting hole is formed in the moving rod, first threads and second threads are formed in the moving rod, nuts are fixedly arranged on the first threads, a moving block is arranged on the moving rod in a sliding mode and is connected with the nuts in a rotating mode, first connecting rods distributed in an array mode are arranged on the moving block in a rotating mode, an installation block is fixedly arranged on the moving rod, and second connecting rods distributed in the array mode are arranged on the installation block in a rotating mode.
The one end and the second connecting rod of first connecting rod rotate to be connected, and the fixed guard plate that is equipped with on the second connecting rod, and the second screw thread has set firmly the regulating block, and the one end fastening of regulating block is equipped with the mounting bracket, and one side of mounting bracket is fixed and is equipped with the spring, slides in the regulating block and is equipped with the clamp plate that is used for firm regulating block, and the one end and the clamp plate fastening of spring are connected.
Furthermore, the through hole is matched with the moving rod, and the bolt penetrates through the through hole and the limiting hole to be matched with the first threaded hole.
The utility model has the advantages that:
1. the utility model discloses positioner adjusts lower margin firm bottom plate, is fit for different operating position, and first supporting shoe and second supporting shoe fix lower margin and mounting, make the device during operation, and the structure remains stable, and the regulating block makes things convenient for the thickness of location protective layer, ensures the standardization of construction, increases tunnel security;
2. the utility model discloses positioner, the regulating block is adjusted conveniently, and the guard plate improves protection baffle, easy operation, and convenient to use saves workman operating time, improves work efficiency.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the positioning device of the present invention;
FIG. 2 is a schematic view of the bottom plate structure of the present invention;
fig. 3 is a schematic structural view of the first support member of the present invention;
FIG. 4 is a schematic structural view of a second support member of the present invention;
FIG. 5 is a schematic view of the foot of the present invention;
FIG. 6 is a schematic view of the fixing member of the present invention;
fig. 7 is a schematic view of the fixing member of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a big section tunnel secondary lining protective layer positioner with adjustable, as shown in figure 1, positioner includes bottom plate 1, and bottom plate 1 sets firmly first supporting shoe 2 that has the symmetric distribution, and bottom plate 1 sets firmly second supporting shoe 3 that has the symmetric distribution, and one side fastening of bottom plate 1 is equipped with array distribution's lower margin 4, and bottom plate 1 sets firmly the mounting 5 that is used for adjusting the protective layer height.
As shown in fig. 2, mounting holes 11 are arranged in an array distribution on one side of a base plate 1, jacks 12 are arranged in an array distribution on the base plate 1, the jacks 12 are communicated with the mounting holes 11, a fixing rod 13 is fixedly arranged on the base plate 1, through holes 14 are arranged on the fixing rod 13, and through holes 15 are arranged in an array distribution on one side of the fixing rod 13.
As shown in fig. 3, a first arc-shaped groove 21 is formed in one side of the first support block 2, first inclined planes 22 symmetrically distributed are formed in one side of the first support block 2, a first matching hole 23 is formed in one side of the first support block 2, and a first inserting rod 24 is fixedly arranged on one side of the first support block 2.
The first arc-shaped slot 21 cooperates with the fixing bar 13.
As shown in fig. 4, a second arc-shaped groove 31 is formed in one side of the second support block 3, a first threaded hole 33 penetrating through the second support block 3 is formed in the second arc-shaped groove 31, a second inclined plane 32 symmetrically distributed is formed in one side of the second support block 3, a riser 34 symmetrically distributed is fastened to one side of the second support block 3, a second threaded hole 35 is formed in one side of the riser 34, and a second inserting rod 36 is fixedly arranged on one side of the second support block 3.
The second arc-shaped groove 31 is matched with the fixing rod 13, the first inclined surface 22 is matched with the second inclined surface 32, and the bolt penetrates through the first matching hole 23 to be matched with the second threaded hole 35.
As shown in fig. 5, the anchor 4 includes a first fixing plate 41, a second fixing plate 42 is fixedly disposed on one side of the first fixing plate 41, a third fixing plate 44 is fixedly disposed on one side of the first fixing plate 41, the second fixing plate 42 and the third fixing plate 44 are perpendicular to each other, a guide rod 43 is disposed at a joint of the first fixing plate 41 and the second fixing plate 42, and fixing holes 45 are disposed on the guide rod 43 and distributed in an array.
The first plunger 24 is inserted through the insertion hole 12 and engaged with the fixing hole 45, and the second plunger 36 is inserted through the insertion hole 12 and engaged with the fixing hole 45.
As shown in fig. 6 and 7, the fixed member 5 includes a moving rod 51, a limiting hole 52 is formed in the moving rod 51, a first thread 53 and a second thread 54 are formed in the moving rod 51, a nut 55 is fastened and fixed on the first thread 53, a moving block 50 is slidably disposed on the moving rod 51, the moving block 50 is rotatably connected with the nut 55, first connecting rods 501 distributed in an array are rotatably disposed on the moving block 50, a mounting block 56 is fixedly disposed on the moving rod 51, and second connecting rods 57 distributed in an array are rotatably disposed on the mounting block 56.
One end of the first connecting rod 501 is rotatably connected with the second connecting rod 57, a protection plate 58 is fixedly arranged on the second connecting rod 57, an adjusting block 59 is fixedly arranged on the second thread 54, an installation frame 591 is fixedly arranged at one end of the adjusting block 59, a spring 592 is fixedly arranged on one side of the installation frame 591, a pressing plate 593 used for stabilizing the adjusting block 59 is arranged in the adjusting block 59 in a sliding mode, and one end of the spring 592 is fixedly connected with the pressing plate 593.
The through hole 14 is matched with the moving rod 51, and the bolt passes through the through hole 15 and the limiting hole 52 to be matched with the first threaded hole 33.
When the fixing device is used, the base plate 1 is placed at a working position, the ground feet 4 are stretched, the base plate 1 is stabilized, the fixing piece 5 is installed in the through hole 14, the first supporting block 2 and the second supporting block 3 are installed on the base plate 1, the ground feet 4 are fastened through the first inserting rod 24 and the second inserting rod 36, the first supporting block 2 and the second supporting block 3 are fixed through bolts, the height of the moving rod 51 is adjusted, the moving rod 51 is fixed through the bolts, the adjusting block 59 is rotated according to actual requirements, the secondary lining steel bar protecting layer is positioned, the thickness of the protecting layer is determined, the spring 592 pushes the pressing plate 593, the pressing plate 593 is attached to the moving rod 51, the stabilizing adjusting block 59 is fixed, the nut 55 is rotated, the first connecting rod 501 and the second connecting rod 57 are rotated, the protecting plate 58 is opened, construction is prevented, materials fall off, and workers and the base plate 1 are damaged.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims (6)

1. An adjustable positioning device for a secondary lining reinforcing steel bar protection layer of a large-section tunnel comprises a bottom plate (1), and is characterized in that first supporting blocks (2) which are symmetrically distributed are fastened and fixed on the bottom plate (1), second supporting blocks (3) which are symmetrically distributed are fastened and fixed on the bottom plate (1), ground feet (4) which are distributed in an array manner are fastened and arranged on one side of the bottom plate (1), and a fixing piece (5) for adjusting the height of the protection layer is fastened and fixed on the bottom plate (1);
the mounting structure comprises a base plate (1), mounting holes (11) distributed in an array manner are formed in one side of the base plate (1), jacks (12) distributed in an array manner are formed in the base plate (1), the jacks (12) are communicated with the mounting holes (11), a fixing rod (13) is fixedly arranged on the base plate (1), through holes (14) are formed in the fixing rod (13), and through holes (15) distributed in an array manner are formed in one side of the fixing rod (13);
one side of first supporting block (2) is equipped with first arc wall (21), and one side of first supporting block (2) is equipped with first inclined plane (22) of symmetric distribution, and one side of first supporting block (2) is equipped with first mating holes (23), and one side of first supporting block (2) is fixed and is equipped with first inserted bar (24).
2. The adjustable positioning device for the secondary lining reinforcing steel bar protection layer of the large-section tunnel according to claim 1, wherein the first arc-shaped groove (21) is matched with the fixing rod (13).
3. The adjustable positioning device for the secondary lining reinforcing steel bar protection layer of the large-section tunnel according to claim 1, wherein a second arc-shaped groove (31) is formed in one side of the second supporting block (3), a first threaded hole (33) penetrating through the second supporting block (3) is formed in the second arc-shaped groove (31), second inclined planes (32) which are symmetrically distributed are formed in one side of the second supporting block (3), vertical plates (34) which are symmetrically distributed are fastened on one side of the second supporting block (3), a second threaded hole (35) is formed in one side of each vertical plate (34), and a second inserting rod (36) is fixedly arranged on one side of the second supporting block (3);
the second arc-shaped groove (31) is matched with the fixing rod (13), the first inclined plane (22) is matched with the second inclined plane (32), and the bolt penetrates through the first matching hole (23) to be matched with the second threaded hole (35).
4. The adjustable positioning device for the secondary lining reinforcing steel bar protection layer of the large-section tunnel according to claim 3, wherein the ground pin (4) comprises a first fixing plate (41), a second fixing plate (42) is fixedly arranged on one side of the first fixing plate (41), a third fixing plate (44) is fixedly arranged on one side of the first fixing plate (41), the second fixing plate (42) and the third fixing plate (44) are perpendicular to each other, a guide rod (43) is arranged at the joint of the first fixing plate (41) and the second fixing plate (42), and fixing holes (45) distributed in an array are formed in the guide rod (43);
the first inserted bar (24) penetrates through the insertion hole (12) to be matched with the fixing hole (45), and the second inserted bar (36) penetrates through the insertion hole (12) to be matched with the fixing hole (45).
5. The adjustable large-section tunnel secondary lining reinforcing steel bar protection layer positioning device as claimed in claim 3, wherein the fixing member (5) comprises a moving rod (51), a limiting hole (52) is formed in the moving rod (51), a first thread (53) and a second thread (54) are formed in the moving rod (51), a nut (55) is fixedly fastened on the first thread (53), a moving block (50) is slidably disposed on the moving rod (51), the moving block (50) is rotatably connected with the nut (55), first connecting rods (501) distributed in an array are rotatably disposed on the moving block (50), a mounting block (56) is fixedly disposed on the moving rod (51), and second connecting rods (57) distributed in an array are rotatably disposed on the mounting block (56);
the one end and the second connecting rod (57) of first connecting rod (501) are rotated and are connected, fixed guard plate (58) that is equipped with on second connecting rod (57), second screw thread (54) set firmly regulating block (59) on, the one end fastening of regulating block (59) is equipped with mounting bracket (591), one side of mounting bracket (591) is fixed and is equipped with spring (592), it is equipped with clamp plate (593) that are used for firm regulating block (59) to slide in regulating block (59), the one end and clamp plate (593) fastening connection of spring (592).
6. The adjustable positioning device for the secondary lining reinforcing steel bar protection layer of the large-section tunnel according to claim 5, wherein the through hole (14) is matched with the movable rod (51), and the bolt passes through the through hole (15) and the limiting hole (52) to be matched with the first threaded hole (33).
CN202121341741.8U 2021-06-16 2021-06-16 Adjustable positioning device for secondary lining reinforcing steel bar protection layer of large-section tunnel Expired - Fee Related CN215292518U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121341741.8U CN215292518U (en) 2021-06-16 2021-06-16 Adjustable positioning device for secondary lining reinforcing steel bar protection layer of large-section tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121341741.8U CN215292518U (en) 2021-06-16 2021-06-16 Adjustable positioning device for secondary lining reinforcing steel bar protection layer of large-section tunnel

Publications (1)

Publication Number Publication Date
CN215292518U true CN215292518U (en) 2021-12-24

Family

ID=79516382

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121341741.8U Expired - Fee Related CN215292518U (en) 2021-06-16 2021-06-16 Adjustable positioning device for secondary lining reinforcing steel bar protection layer of large-section tunnel

Country Status (1)

Country Link
CN (1) CN215292518U (en)

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211224